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Vulnerability of slirp4netns: use after free via ip_reass

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via ip_reass() of slirp4netns, in order to trigger a denial of service, and possibly to run code.
Impacted software: openSUSE Leap, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 07/05/2020.
Références of this announce: CVE-2020-1983, openSUSE-SU-2020:0636-1, SUSE-SU-2020:1197-1, USN-4372-1, VIGILANCE-VUL-32200.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via ip_reass() of slirp4n...
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This security bulletin impacts software or systems such as openSUSE Leap, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity announce is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this vulnerability alert.

Solutions for this threat 

This vulnerability patch will be public soon.
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